On Fri, 17 Jan 2025, Jiwei Sun wrote: > However, within this section of code, lnkctl2 is not modified (after > reading from register on line 111) at all and remains 0x5. This results > in the condition on line 130 evaluating to 0 (false), which in turn > prevents the code from line 132 onward from being executed. The removing > 2.5GT/s downstream link speed restriction work can not be done. It seems like a regression from my original code indeed. Maciej